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Troubleshooting guide
Problem
Gauge will not light up.
Gauge lights up, but speed
will only show zero.
Speed reading is incorrect.
Gauge lights up, but tach
will only show zero.
Gauge will not dim.
Gauge remains dim at all
times.
Temperature reading does
not show up.
Indicators do not show up
inside gauge display
Duplicate indicators show
up inside gauge display
Low Fuel Light not turning
on.
Low Fuel Light turning
on too early/late.
Low Fuel Light always on.
Low Fuel Light flashing.
Gauge display has white
Background in sunlight
Possible cause
Red/Orange wire does not have power.
Black/Green wire is not getting a good ground.
CAN bus wiring open or short.
Ignition switch not connected or damaged.
Gauge is damaged.
No data from ECM.
Sensor is not sending a speed signal.
Gauge is not calibrated correctly.
No data from ECM.
Auto dimming is disabled.
Light sensor is covered.
'Run' switch is not on.
Sender wire is loose or broken.
Aftermarket ECM does not support transmitting
the head temperature data.
Incorrect setting.
Incorrect setting.
Incorrect setting or turned off.
Incorrect setting.
Sensor damaged.
___________
Wiring short or open.
Sunlight setting is set to "Invert"
Solution
Inspect and repair stock harness.
Inspect and repair stock harness.
Inspect and repair stock harness.
Inspect and repair stock switch or harness.
Return gauge for repair (see instructions).
Check engine trouble codes.
Check wiring and test sensor.
Gauge must be calibrated (see instructions).
Check engine trouble codes.
Check setting under "night" menu.
Make sure the bottom center of the gauge lens is clean and
not obstructed.
'Run' switch must be on to get temperature data from ECM.
Check all wire connections and inspect wire for breaks.
Contact ECM manufacturer.
Enter SETUP MENU and under DISPLAY -> INDICATORS
select SHOW.
Enter SETUP MENU and under DISPLAY -> INDICATORS
select HIDE.
Verify function is "ON" in FUEL setup menu and that the set
up is correct or adjust value. _________________________
Verify setting or adjust the value following FUEL menu adjust
feature in setup.
Check resistances following procedure in service manual.____
Check gauge and fuel sender connections.
This is a default setting on this gauge to increase visibility in direct
sunlight. This can be modified in the "Sunlight" menu if desired
11
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MAN#650658:D
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